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Open Source Firebase Cloud Messaging Alternatives

Discover 5 open source alternatives to Firebase Cloud Messaging. All free, community-driven, and actively maintained.

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What is Firebase Cloud Messaging?

Firebase Cloud Messaging (FCM) is a cross-platform messaging service for sending notifications and data messages to mobile and web applications.

Visit Firebase Cloud Messaging
novu
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novu

The open-source notification infrastructure. In-app Inbox component, E-mail, SMS, Push and Slack Integrations.

Notifications
ntfy
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ntfy

Send push notifications to your phone or desktop using PUT/POST

Push Notifications
server
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server

A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)

WebSocket
centrifugo
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centrifugo

Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably, socket.io, Phoenix.PubSub, SignalR. Set up once and forever.

WebSocket
anycable
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anycable

Realtime server for reliable two-way communication to power-up any backend

WebSockets